EP3315568A1 - Formulierung einer nanoskaligen farbherstellung und herstellungsverfahren dafür - Google Patents
Formulierung einer nanoskaligen farbherstellung und herstellungsverfahren dafür Download PDFInfo
- Publication number
- EP3315568A1 EP3315568A1 EP15782660.3A EP15782660A EP3315568A1 EP 3315568 A1 EP3315568 A1 EP 3315568A1 EP 15782660 A EP15782660 A EP 15782660A EP 3315568 A1 EP3315568 A1 EP 3315568A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- solvent
- dispersion
- formulation
- dispersant
- wetting agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D17/00—Pigment pastes, e.g. for mixing in paints
- C09D17/002—Pigment pastes, e.g. for mixing in paints in organic medium
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D129/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
Definitions
- the object of the present invention is a formulation of a nanoscale colour preparation and production method thereof; allowing improving the stability of the nanoscale colour preparations, so that they are maintained under suitable conditions for use for a period not less than 12 months.
- This invention is applicable to the manufacture of nanoscale colour preparations for paints and the like.
- nanoscale preparations are formulated with the following basic elements: pigment, wetting agent-dispersant, binder resin and solvent.
- the dispersants are composed of polymers with functional groups related to the pigment, notable examples being: Solsperse 17,000 from Lubrizol, Ltd., Byk 108 (Byk Chemi), Efka 207 (Efka), and the like.
- the amount to be used depends on the pigment and/or filler, with the ranges of use, according to the data provided by the manufacturers of these additives, being: Inorganic pigments 1 - 2 % Organic pigments 15 - 20 % Black and/or high-surface pigments 40 - 80 %
- Solvents are a combination of aromatic naphtha with butyl acetate, butanol, methoxypropyl acetate (MPA), and the like; in these applications being used solvents with a flash point below 55 °C. In the traditional system, it is prevented during the dispersion of pigment from exceeding 40 °C due to the evident risk of inflammation of the solvent, which also limits the quality of dispersion.
- Pigments comprise the range from white to black, being mostly organic, except the two mentioned.
- the ratio of nanoscale paste is 10 to 30 % to the total amount of product.
- Nanoscale colour pastes mentioned have a limited stability and are converted into final product by adding binder, solvents and surface additives, in a short time, usually between immediate and 30 days, the existence of background relating to the obtaining of nanoscale pastes that remain stable for a greater period of time being unknown to the applicant of the invention.
- the invention includes a formulation of a nanoscale colour preparation and production method thereof, with characteristics oriented towards to obtain a nanoscale colour preparation with improved stability of at least 12 months, avoiding that the final product should be prepared in a relatively short time, such as with currently known colour pastes.
- the nanoscale colour paste of the invention includes in its formulation: pigments, wetting agent - dispersant, resin and solvent, being characterized by using said components in percentages by weight specified below: between 12 and 24 % pigments; between 12 and 24 % wetting agent-dispersant; between 30 and 40 % solvent; and between 12 and 46 % resin and by using a solvent with a flash point above 65 °C, allowing the dispersion of the pigment particles at a temperature of between 50 and 60 °C, without the risk of inflammation, with much greater efficiency and a better final dispersion than those achieved in the state of the art.
- the solvent used is a combination of butyl glycol acetate, with 2-ethoxy ethyl ether and aromatic naphthas.
- the production method of nanoscale colour preparations of the invention with the components listed above includes:
- the milling of the product is carried out with grinding balls with a size of the range of particle size to be obtained.
- ultrasounds are used in both the initial and final phase.
- Higher flash point solvents are used to operate above 55 °C-60 °C.
- the amount of wetting agents-dispersants is 200- 225 % higher compared to that used in conventional methods, but added in two steps: In the first step the particle of pigment "D50" of 50-75 micron is reduced, to the margin of 0.2 to 0.4 micron ("D50" means that half of the particles are in this range).
- the dispersion is stabilized by the addition of, roughly, the same amount at a temperature higher than normal (+10 °C to +15 °C) and the dilution is maintained for a period of time greater than 30-60 minutes.
- the stability test is done by measuring the viscosity within 24 hours and after 72 hours at 50 °C. Not supported an increase exceeding 75%, measured in cps (centipoises).
- a first step the whole pigment and resin, and half of the solvent and the wetting agent-dispersant are put in a suitable tank; that is:
- Ultrasounds are applied for 30 minutes, keeping the temperature between 40 °C and 60 °C.
- the milling of the product takes place in closed-loop with loopback during 8-15 hours.
- the dispersion obtained is diluted in a proper tank with the remaining amounts of solvent and wetting agent-dispersant, that is, with:
- This mixture is subjected to reduced stirring (100-150 r.p.m) for 80 minutes. Ultrasounds are applied to the final mixture to achieve a maximum homogenisation. It is finally filtered with ceramic filter to remove particles above 0.5 microns.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/ES2015/000082 WO2015162317A1 (es) | 2015-06-24 | 2015-06-24 | Formulación de una preparación nanométrica de color y procedimiento para su obtención |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3315568A1 true EP3315568A1 (de) | 2018-05-02 |
EP3315568A4 EP3315568A4 (de) | 2019-07-10 |
Family
ID=54331789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15782660.3A Withdrawn EP3315568A4 (de) | 2015-06-24 | 2015-06-24 | Formulierung einer nanoskaligen farbherstellung und herstellungsverfahren dafür |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3315568A4 (de) |
WO (1) | WO2015162317A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108676424A (zh) * | 2018-06-11 | 2018-10-19 | 奥莱鑫科技股份有限公司 | 一种水溶性环保纳米色浆及其制备方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4569887A (en) * | 1983-04-28 | 1986-02-11 | Inmont Corporation | Metal fixative in automative paint |
GB2400371B (en) * | 2003-04-04 | 2007-08-01 | Silberline Ltd | Metal pigment composition |
ES2257957B1 (es) * | 2005-01-18 | 2007-07-01 | Torrecid, S.A. | Tinta aplicable a la decoracion industrial. |
US20080097013A1 (en) * | 2006-10-19 | 2008-04-24 | Hitachi Maxell, Ltd. | Pigmented ink composition |
JP2012233086A (ja) * | 2011-04-29 | 2012-11-29 | Seiko I Infotech Inc | インク用溶媒、インク用溶媒の製造方法、インクジェット記録用インク、インクジェット記録用インクの製造方法、インクカートリッジ、インクカートリッジの製造方法 |
CN102796437B (zh) * | 2012-08-14 | 2015-09-16 | 湖北天鹅涂料股份有限公司 | 一种水性金属防腐涂料 |
CN103214907A (zh) * | 2013-03-14 | 2013-07-24 | 湖北大学 | 一种水性吸波防腐蚀保护涂料及其制备方法 |
JP6357751B2 (ja) * | 2013-10-02 | 2018-07-18 | 東洋インキScホールディングス株式会社 | 溶剤系インクジェットインキ |
CN104140716A (zh) * | 2014-07-25 | 2014-11-12 | 山东德创喷墨科技有限公司 | 宽幅环保低气味溶剂基喷墨墨水及其制备方法 |
-
2015
- 2015-06-24 WO PCT/ES2015/000082 patent/WO2015162317A1/es active Application Filing
- 2015-06-24 EP EP15782660.3A patent/EP3315568A4/de not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108676424A (zh) * | 2018-06-11 | 2018-10-19 | 奥莱鑫科技股份有限公司 | 一种水溶性环保纳米色浆及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2015162317A1 (es) | 2015-10-29 |
EP3315568A4 (de) | 2019-07-10 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: C09D 7/80 20180101ALI20190531BHEP Ipc: C09D 17/00 20060101ALI20190531BHEP Ipc: C09D 4/06 20060101ALI20190531BHEP Ipc: C09D 7/20 20180101ALI20190531BHEP Ipc: C09D 129/00 20060101AFI20190531BHEP |
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